static uint16_t
iwm_mvm_scan_rx_chain(struct iwm_softc *sc)
{
uint16_t rx_chain;
uint8_t rx_ant;
rx_ant = IWM_FW_VALID_RX_ANT(sc);
rx_chain = rx_ant << IWM_PHY_RX_CHAIN_VALID_POS;
rx_chain |= rx_ant << IWM_PHY_RX_CHAIN_FORCE_MIMO_SEL_POS;
rx_chain |= rx_ant << IWM_PHY_RX_CHAIN_FORCE_SEL_POS;
rx_chain |= 0x1 << IWM_PHY_RX_CHAIN_DRIVER_FORCE_POS;
return htole16(rx_chain);
}
/*
* Add the phy configuration to the PHY context command
*/
static void
iwm_mvm_phy_ctxt_cmd_data(struct iwm_softc *sc,
struct iwm_phy_context_cmd *cmd, struct ieee80211_channel *chan,
uint8_t chains_static, uint8_t chains_dynamic)
{
struct ieee80211com *ic = sc->sc_ic;
uint8_t active_cnt, idle_cnt;
IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_CMD,
"%s: 2ghz=%d, channel=%d, chains static=0x%x, dynamic=0x%x, "
"rx_ant=0x%x, tx_ant=0x%x\n",
__func__,
!! IEEE80211_IS_CHAN_2GHZ(chan),
ieee80211_chan2ieee(ic, chan),
chains_static,
chains_dynamic,
IWM_FW_VALID_RX_ANT(sc),
IWM_FW_VALID_TX_ANT(sc));
cmd->ci.band = IEEE80211_IS_CHAN_2GHZ(chan) ?
IWM_PHY_BAND_24 : IWM_PHY_BAND_5;
cmd->ci.channel = ieee80211_chan2ieee(ic, chan);
cmd->ci.width = IWM_PHY_VHT_CHANNEL_MODE20;
cmd->ci.ctrl_pos = IWM_PHY_VHT_CTRL_POS_1_BELOW;
/* Set rx the chains */
idle_cnt = chains_static;
active_cnt = chains_dynamic;
cmd->rxchain_info = htole32(IWM_FW_VALID_RX_ANT(sc) <<
IWM_PHY_RX_CHAIN_VALID_POS);
cmd->rxchain_info |= htole32(idle_cnt << IWM_PHY_RX_CHAIN_CNT_POS);
cmd->rxchain_info |= htole32(active_cnt <<
IWM_PHY_RX_CHAIN_MIMO_CNT_POS);
cmd->txchain_info = htole32(IWM_FW_VALID_TX_ANT(sc));
}